Blondies

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The Perfect Classic Blondies are just that—perfect! These buttery, brown sugar–rich bars are soft and chewy with a delicious butterscotch flavor that makes them absolutely irresistible. They’re the kind of nostalgic dessert that disappears the minute they hit the cooling rack.

Every bite of these luscious bars has that deep, caramelized sweetness you only get from melting brown sugar into butter, a hint of vanilla for warmth, and a little crunch from toasted pecans or walnuts. They’re easy, quick, and perfect for bake sales, lunch boxes, or cozy family nights at home. 💛

If you love cozy, old-fashioned desserts like these, be sure to try my apple brownies next! They’re another reader favorite—soft, dense, and bursting with warm cinnamon-apple flavor that tastes like fall in every bite.

💗 Pull up a plate, pour yourself a cold glass of milk, and let’s bake a batch of these chewy, golden blondies together!

✨ Before You Begin

✨ Use real butter and light brown sugar. That’s where the rich, butterscotch flavor comes from—don’t swap for margarine or dark brown sugar unless you want a heavier flavor.
✨ Melt the butter and brown sugar together. This step gives the bars their signature chewiness and glossy, crinkly top.
✨ Don’t overbake! They should be set and golden at the edges but slightly soft in the middle when you pull them from the oven.
✨ Metal pans bake hotter. Drop the temperature to 325°F if you’re using glass to avoid overbrowning.
✨ Add-ins welcome! Stir in chocolate chips, toffee bits, or coconut flakes if you want to mix things up.

Ingredients For Blondies

This is just a quick glance at what you’ll need. For exact measurements and the full ingredient list, head down to the recipe card below.

• Light brown sugar: The key to that irresistible butterscotch flavor.
• Unsalted butter: Adds richness and moisture.
• Eggs: Help bind the batter and keep it soft.
• All-purpose flour: The structure that makes these bars thick and chewy.
• Vanilla extract: Enhances the warm, caramel notes.
• Pecans or walnuts: Optional, but they add a nice crunch and nutty contrast.

Pro Tips

⭐ Temper the eggs. When mixing warm butter and brown sugar into eggs, always temper first so they don’t scramble—just add a little warm mixture into the eggs before combining everything.

⭐ Cool before cutting. It’s tempting to dig right in, but letting them rest for 15–20 minutes helps them set and makes for clean slices.

⭐ Storage tip: Wrap leftovers tightly once cooled. The flavor actually deepens after a day, and they stay soft for up to 3 days at room temperature.

Frequently Asked Questions

Can I make blondies without nuts?

Absolutely! They’re just as delicious without nuts—skip them if you prefer a smooth texture.

Can I use dark brown sugar instead?

Yes, but your blondies will have a deeper molasses flavor and darker color. For the classic “bakery” taste, stick with light brown sugar.

Can I freeze blondies?

Definitely. Cool completely, cut into squares, and freeze in an airtight container with parchment between layers for up to 3 months.

Storing + Freezing + Make-Ahead

Storing

• Once your blondies have completely cooled, cut them into squares and store them in an airtight container at room temperature. They’ll stay soft and chewy for up to 3 days, thanks to all that rich brown sugar. If your kitchen is warm, you can refrigerate them to extend freshness, but let them come to room temperature before serving for the best texture.

Freezing

• To freeze, allow blondies to cool fully, then cut them into squares. Wrap each piece individually in plastic wrap and place in a freezer-safe bag or airtight container. They’ll keep beautifully for up to 3 months. Thaw at room temperature before enjoying, or warm briefly in the microwave for that just-baked softness.

Make-Ahead

• These bars are a dream for make-ahead baking! You can prepare them a day or two in advance — the flavor actually deepens over time. Simply bake, cool completely, and cover tightly with plastic wrap or foil until ready to serve.

Food Safety

• If you’d like more info on food safety, check out this link.

More Cookie Bar Recipes

• Ina Gartens Brownies
• Bourbon Brownies
• German Chocolate Brownies
• Back In The Day Blondies
• Caramel Stuffed Brownies
• S’mores Bars

Tried This Recipe?

If you enjoyed this recipe, please take a moment to leave a ⭐⭐⭐⭐⭐ rating and a quick comment — I love hearing from you, and your feedback helps others find the recipe too!

💌 From cozy casseroles to nostalgic desserts, join my FREE newsletter so you never miss a new family favorite.

Thanks for stopping by my kitchen today — happy cooking, friends! ❤️ Kathleen

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The Perfect Classic Blondies

The Perfect Classic Blondies are just that! This blonde brownie is a moist, rich, buterscotchey bar that won't last long around the house.

Prep Time10 minutes mins

Cook Time30 minutes mins

Total Time40 minutes mins

Servings: 12 -16

Author: Kathleen

Ingredients

• ▢ 1 (16-ounce) box light brown sugar
• ▢ 1 1/2 sticks unsalted butter
• ▢ 2 eggs large, lightly beaten
• ▢ 2 cups all-purpose flour
• ▢ 2 teaspoons baking powder
• ▢ 1/2 teaspoon salt
• ▢ 1 teaspoon vanilla extract
• ▢ 1 cup pecans or walnuts chopped

US Customary - Metric

Instructions

• Preheat oven to 350ºF (177ºC) if using a metal pan or 325ºF (163ºC) if using a glass (pyrex) pan.
• In a medium saucepan, melt brown sugar (16-ounce) and butter (1 1/2 sticks) together.
• In a small bowl, temper eggs (2) with sugar-butter mixture. Add eggs to saucepan.
• In a medium bowl, mix together flour (2 cups), baking powder (2 teaspoons), salt (1/2 teaspoon), vanilla (1 teaspoon), and nuts (1 cup).
• Add butter mixture to flour mixture. Beat with an electric mixer until combined.
• Pour into a well-greased 9x13 pan. Bake at 350ºF (177ºC) for 30 minutes or if using a glass baking dish, bake at 325ºF (163ºC) for 30 minutes.

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Notes

1. Temper the eggs. When mixing warm butter and brown sugar into eggs, always temper first so they don’t scramble—just add a little warm mixture into the eggs before combining everything.
2. Cool before cutting. It’s tempting to dig right in, but letting them rest for 15–20 minutes helps them set and makes for clean slices.
3. Storage tip: Wrap leftovers tightly once cooled. The flavor actually deepens after a day, and they stay soft for up to 3 days at room temperature.

Nutrition

Serving: 1serving | Calories: 390kcal | Carbohydrates: 55g | Protein: 4g | Fat: 18g | Saturated Fat: 8g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 7g | Cholesterol: 58mg | Sodium: 120mg | Potassium: 188mg | Sugar: 37g | Vitamin A: 397IU | Calcium: 77mg | Iron: 2mg

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